Protocol Labs Research

Xuechao Wang

Visiting Researcher / ConsensusLab


PhD in Electrical and Computer Engineering (in progress), 2023 (expected)

University of Illinois Urbana-Champaign

MSc in Electrical and Computer Engineering, 2020

University of Illinois Urbana-Champaign

BSc in Electronic Engineering, 2018

Tsinghua University

Xuechao Wang is a PhD candidate in the department of Electrical and Computer Engineering at University of Illinois at Urbana-Champaign, where he received his MSc in 2020. Before that, he received his BSc from the department of Electronic Engineering at Tsinghua University. His research interest is in decentralized consensus protocols (blockchains). He applies techniques from applied probability, combinatorics, and optimization to provide new algorithmic solutions and analyze the performance and security of new blockchain protocols.

Areas of Expertise

Blockchain scalability, Proof of stake, Proof of work


2023-08-14 / Conference paper
Security analysis of Filecoin's Expected Consensus in the Byzantine vs honest model
Filecoin is the largest storage-based open-source blockchain, both by storage capacity (>11EiB) and market capitalization. This paper provides the first formal security analysis of Filecoin’s consensus (ordering) protocol, Expected Consensus (EC).
AFT 2023 / 2023.10.23 / Princeton, NJ, USA